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C++ Redefinition Header Files (winsock2.h)

...ing header files twice? The problem is I'm including the in MyClass.h and then I'm including MyClass.h in many files, so it includes multiple times and redefinition error occurs. How to prevent? ...
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How do I fix the error 'Named Pipes Provider, error 40 - Could not open a connection to' SQL Server'

... And the simplest solution - check if your slash is back... I spent about an hour trying to figure out what's wrong with SERVER/INSTANCENAME when everything is configured correctly, named pipes, user access rights... and sud...
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Set the maximum character length of a UITextField

...vely simple to get this functionality by setting the text field's delegate and implementing the following delegate method: Objective-C - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string { // Prevent crashing undo bug – s...
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git: difference between “branchname” and “refs/heads/branchname”

Best to be explained at an example: I am on branch 0.58 of repository and this his how I pull: 3 Answers ...
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Submit a form using jQuery [closed]

... really just a convenient way to call the ajax() method with a simplified, and limited, interface. A critical resource, one I use every day, that you should bookmark is How jQuery Works. It has tutorials on using jQuery and the left-hand navigation gives access to all of the documentation. Example...
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How to return a value from a Form in C#?

...urnValue2 {get;set;} then set this inside your sub-form ok button click handler private void btnOk_Click(object sender,EventArgs e) { this.ReturnValue1 = "Something"; this.ReturnValue2 = DateTime.Now.ToString(); //example this.DialogResult = DialogResult.OK; this.Close(); } Then...
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How do emulators work and how are they written? [closed]

... Emulation is a multi-faceted area. Here are the basic ideas and functional components. I'm going to break it into pieces and then fill in the details via edits. Many of the things I'm going to describe will require knowledge of the inner workings of processors -- assembly knowledge ...
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Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?

I am looking at the MvcContrib Grid component and I'm fascinated, yet at the same time repulsed, by a syntactic trick used in the Grid syntax : ...
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How can I get useful error messages in PHP?

Quite often I will try and run a PHP script and just get a blank screen back. No error message; just an empty screen. The cause might have been a simple syntax error (wrong bracket, missing semicolon), or a failed function call, or something else entirely. ...
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How can I remove a pytz timezone from a datetime object?

...t you cannot compare datetime.datetime objects where one is timezone aware and another is timezone naive. ############################################################################## # MySQL example! where MySQL doesn't support timezones with its DATETIME type! ###################################...